Check the listing for details. PSB 10011 - 100C - tweeter Speaker. Condition: New. Listed at 17.00 USD. This is a vintage PSB 10011 speaker with a 100C tweeter. It is a great addition to any vintage audio and video collection. This speaker is perfect for those who are looking for a high-quality vintage speaker and horn driver. It has been well-maintained and is in great working condition. The PSB 10011 speaker is designed to reproduce accurate and natural sound. It is a great option for music enthusiasts who are looking for a vintage speaker with a high-quality sound. The 100C tweeter enhances the overall listening experience by providing clear and precise high-frequency sound.